Low-frequency sound waves caused by wind (Kármán vortex street) could have induced irrational panic and physical distress.
: One hiker, Aleksander Krysin, suddenly collapsed, foaming at the mouth and bleeding from his eyes and ears.
: Valentina fled the scene alone, wandering for four days until she reached a river and was rescued by a group of kayakers. Official Findings vs. Theories
: Shortly after, other members began exhibiting similar symptoms: screaming, clutching their throats, and tearing at their clothes.